The parasympathetic nervous system (PSNS) is one of two major divisions of the larger autonomic system in your body. Its function is to keep the basic functions of your body working as they should.

The endocrine system uses chemical messengers called hormones to regulate a range of bodily functions through the release of hormones. The endocrine system is a network of glands and organs located ...

The endocrine system is the collection of glands that produce hormones, which are specialized proteins that regulate bodily functions. The endocrine system serves as the body's internal chemical ...